Diamond brooch



FIG. 1 is a perspective view of a first embodiment of a diamond brooch showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof, with the diamonds removed for ease of illustration;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a rear view thereof, with the diamonds removed. 

The ornamental design for a diamond brooch, as shown and described. 